Party support, Crowd control, etc.
- Buffing damage
- Buffing speed/attack speed
- Confusing enemies
- Transferring buffs from enemies to allies.
- Transferring debuffs from allies to enemies.
- Increasing resistance Vs. debuffs.
- Increase chance to inflict buffs/debuffs by x.
- Giving an extra turn/action to an ally.
- Lowering the chance enemies may attack an ally.
- If enemies can have more than 1 action(ex a boss?) or a system like bravely default then the bard could reduce an enemy's action by 1.