[{"_id":162,"messages":[{"c":"df64","ts":ISODate("2020-12-16T04:39:15.707Z"),"email":"5fbf1fb7b8d11a1f510e7f54","groupId":162,"s":"s","star":[{"email":"5fbf1fb7b8d11a1f510e7f54","ts":"2020-12-16T04:39:18.612Z"}]},{"c":"df64780ed694","ts":ISODate("2020-12-16T04:22:24.621Z"),"email":"5fbf1fb7b8d11a1f510e7f54","groupId":162,"s":"s","star":[]}]}]

db.collection.aggregate([{$match:{_id:162}},{$project:{messages:{$filter:{input:"$messages",cond:{$and:[{$gte:["$$this.ts","$member.added"]},{$in:["5fbf1fb7b8d11a1f510e7f54","$$this.star.email"]}]}}}}}])