Lets put it tis way,... you are molested in a
easiest-to-get-away format.
before he take photo w u,... he probably longed to touch u and hold
u. tis is "test water" phase.
After tis if he see that you're ok with it,... other ideas will
follow.
Tell him to stop that, and if you're afraid, nevermind. When there
are people around, tell him that, without others able to overhear,
and stare into his eyes.
Some guys are plain chicken when confronted with such
things...
All da best!
Cheerios