What Does A Junior Groomsman Do Wedding Question? Junior Groomsmen?

Wedding question? Junior Groomsmen? - what does a junior groomsman do

Hello, I'm attending a wedding tomorrow and I am a junior groomsman. Now I know what I'm doing at the wedding, even if I find something in the tea-party? And I have to dance with bridesmate Junior I'm going slowly down the aisle? - Because I can not dance, anyway? So yes, these two questions - the answer please ...