conformist

noun
1
a person who behaves and thinks in the same way as most other people and who does not want to be different
هم‌رنگ جماعت, پیرو عرف
adjective
1
the fact of behaving and thinking in the same way as most other people and not wanting to be different
همرنگ جماعت, مطیع عرف, پیرو روال
see also nonconformist