diff --git a/data/core.yaml b/data/core.yaml
index 4fe523c6f..1b868b3e8 100644
--- a/data/core.yaml
+++ b/data/core.yaml
@@ -1243,6 +1243,11 @@ en:
       points-lines-areas-relations:
         message: "Deleting {n} features: {p} points, {l} lines, {a} areas, and {r} relations"
       tip: "Only redundant or nonexistent features should be deleted."
+    missing_role:
+      title: Missing Roles
+      message: "{member} has no role within {relation}"
+      multipolygon:
+        tip: "Multipolygon members must have an inner or outer role."
     missing_tag:
       title: Missing Tags
       any:
@@ -1283,6 +1288,8 @@ en:
         annotation: Removed an old tag.
       remove_deprecated_tag_combo:
         annotation: Removed an old tag combination.
+      remove_from_relation:
+        title: Remove from relation
       remove_generic_name:
         title: Remove the name
         annotation: Removed a generic name.
@@ -1295,6 +1302,10 @@ en:
         title: Reposition the features
       select_preset:
         title: Select a feature type
+      set_as_inner:
+        title: Set as inner
+      set_as_outer:
+        title: Set as outer
       tag_as_disconnected:
         title: Tag as disconnected
         annotation: Tagged very close features as disconnected.
diff --git a/dist/locales/en.json b/dist/locales/en.json
index 95390ba16..ad85bdf37 100644
--- a/dist/locales/en.json
+++ b/dist/locales/en.json
@@ -1523,6 +1523,13 @@
                 },
                 "tip": "Only redundant or nonexistent features should be deleted."
             },
+            "missing_role": {
+                "title": "Missing Roles",
+                "message": "{member} has no role within {relation}",
+                "multipolygon": {
+                    "tip": "Multipolygon members must have an inner or outer role."
+                }
+            },
             "missing_tag": {
                 "title": "Missing Tags",
                 "any": {
@@ -1579,6 +1586,9 @@
                 "remove_deprecated_tag_combo": {
                     "annotation": "Removed an old tag combination."
                 },
+                "remove_from_relation": {
+                    "title": "Remove from relation"
+                },
                 "remove_generic_name": {
                     "title": "Remove the name",
                     "annotation": "Removed a generic name."
@@ -1596,6 +1606,12 @@
                 "select_preset": {
                     "title": "Select a feature type"
                 },
+                "set_as_inner": {
+                    "title": "Set as inner"
+                },
+                "set_as_outer": {
+                    "title": "Set as outer"
+                },
                 "tag_as_disconnected": {
                     "title": "Tag as disconnected",
                     "annotation": "Tagged very close features as disconnected."
diff --git a/modules/ui/issues.js b/modules/ui/issues.js
index 7343a35b9..283a2415f 100644
--- a/modules/ui/issues.js
+++ b/modules/ui/issues.js
@@ -308,6 +308,8 @@ export function uiIssues(context) {
                         d += '.highway';
                     } else if (d === 'almost_junction') {
                         d += '.highway-highway';
+                    } else if (d === 'missing_role') {
+                        d += '.multipolygon';
                     }
                     return t('issues.' + d + '.tip');
                 })
diff --git a/modules/validations/index.js b/modules/validations/index.js
index 235f2e540..3a4a48e2a 100644
--- a/modules/validations/index.js
+++ b/modules/validations/index.js
@@ -5,6 +5,7 @@ export { validationDisconnectedWay } from './disconnected_way';
 export { validationGenericName } from './generic_name';
 export { validationManyDeletions } from './many_deletions';
 export { validationMaprules } from './maprules';
+export { validationMissingRole } from './missing_role';
 export { validationMissingTag } from './missing_tag';
 export { validationOldMultipolygon } from './old_multipolygon';
 export { validationTagSuggestsArea } from './tag_suggests_area';
diff --git a/modules/validations/missing_role.js b/modules/validations/missing_role.js
new file mode 100644
index 000000000..58571ba06
--- /dev/null
+++ b/modules/validations/missing_role.js
@@ -0,0 +1,84 @@
+import { actionChangeMember, actionDeleteMember } from '../actions';
+import { t } from '../util/locale';
+import { utilDisplayLabel } from '../util';
+import { validationIssue, validationIssueFix } from '../core/validator';
+
+
+export function validationMissingRole() {
+    var type = 'missing_role';
+
+    var validation = function(entity, context) {
+
+        var issues = [];
+        if (entity.type === 'way') {
+            context.graph().parentRelations(entity).forEach(function(relation) {
+                if (!relation.isMultipolygon()) {
+                    return;
+                }
+                var member = relation.memberById(entity.id);
+                if (member && isMissingRole(member)) {
+                    issues.push(makeIssue(entity, relation, member, context));
+                }
+            });
+        } else if (entity.type === 'relation' && entity.isMultipolygon()) {
+            entity.indexedMembers().forEach(function(member) {
+                var way = context.hasEntity(member.id);
+                if (way && isMissingRole(member)) {
+                    issues.push(makeIssue(way, entity, member, context));
+                }
+            });
+        }
+
+        return issues;
+    };
+
+    function isMissingRole(member) {
+        return !member.role || !member.role.trim().length;
+    }
+
+    function makeIssue(way, relation, member, context) {
+        return new validationIssue({
+            type: type,
+            severity: 'warning',
+            message: t('issues.missing_role.message', {
+                member: utilDisplayLabel(way, context),
+                relation: utilDisplayLabel(relation, context),
+            }),
+            tooltip: t('issues.missing_role.multipolygon.tip'),
+            entities: [relation, way],
+            info: {member: member},
+            fixes: [
+                makeAddRoleFix('inner', context),
+                makeAddRoleFix('outer', context),
+                new validationIssueFix({
+                    icon: 'iD-operation-delete',
+                    title: t('issues.fix.remove_from_relation.title'),
+                    onClick: function() {
+                        context.perform(
+                            actionDeleteMember(this.issue.entities[0].id, this.issue.info.member.index),
+                            t('operations.delete_member.annotation')
+                        );
+                    }
+                })
+            ]
+        });
+    }
+
+    function makeAddRoleFix(role, context) {
+        return new validationIssueFix({
+            title: t('issues.fix.set_as_' + role + '.title'),
+            onClick: function() {
+                var oldMember = this.issue.info.member;
+                var member = { id: this.issue.entities[1].id, type: oldMember.type, role: role };
+                context.perform(
+                    actionChangeMember(this.issue.entities[0].id, member, oldMember.index),
+                    t('operations.change_role.annotation')
+                );
+            }
+        });
+    }
+
+    validation.type = type;
+
+    return validation;
+}