1) Compliant one 2) Compliant person 3) Consistently compliant one 4) Follower of orders 5) Good dog 6) He never says never 7) Heeder 8) Line toer, so to speak 9) Mindful sort 10) One following directions 11) Rule follower 12) Servant 13) Submissive type 14) Tractable child 
• (n.) One who yields obedience.
O·bey'er noun One who yields obedience. Holland.