pasher

Example:The coach was a prodder, always pushing his team to improve.

Definition:A person who agitates, provokes or irritates another, especially by poking or pushing.

Example:His nagging about the homework annoyed her.

Definition:To continually remind, criticize, or urge.

Example:She was tired of being a pusher in their relationship.

Definition:A person who forcefully or persistently attempts to get someone to do something.