The idea: A morality or ability boost depending on how many people are in your group.
"It's hard to ignore the number of adoring fans you have. Yes, yes- you know you're wonderful- but it sure does help to have them drool over you. Morale (or what have you) is boosted by x per party member in your group."
(Not sure if it should only be when you yourself are leading.)
Bard ability- Crowd favorite
Re: Bard ability- Crowd favorite
Bonus: Have tailors make shirts with your likeness and stage name on them.
<Rias> PUT ON PANTS
<Fellborn> NO
<Fellborn> NO