Help A Man said he was 13 he followed me and my friend Help!!!!?

Me and my friend is 12 13 I am 13 and by friend is 12. well we were at the rex complex yesterday and the followed us and i am scared to go back this weekend I need help and o he had a friend and his friend looked 13 maybe his son and he was telling him bad things. they whated for us at the rex in the locker room.and they went on the slide when we went. he tried to grab me in the 7 feet and hurt me i think but i now he tried to grabe me and i told a lifegard later at 5:35. that was 35 minutes ago before the pool closed. They followed us since 12:00 a.m to 6:00 p.m the almost fallowed us home Help. the liitle boy that looked 13 name was jeff and the older lookin man's name was alex or close to that... Help What should i do and o he did not want to be friends he actted all nice and turned on us and me and my friend over hurd him say lets dothem. like s-e-x