We are required to:
Judge with a righteous judgment John 7:24
Judge all things John 7:24; 1Co 2:15
Judge sin within the church 1Co 2:15-16; 5:12-13
Judge matters between the brethren 1Co 6:5
Judge preaching 1Co 14:29; 1Jn 4:1-6
Judge false spirits and those who preach and teach counterfeit gospels and doctrines 2Co 11:1-4
Judge the works and workers of darkness Eph 5:11
Judge false prophets and false apostles 2Pe 2:1-22; 1Jhn 4:1; Rev 2:2
Judge false Christians among us 1Jn 2:18-20