Does your ex-boyfriend still care if you called him but he is at church camp and he said he would call you back sometime?

If you truly love someone then that person would give you a better explanation then the one you got. He simply squirmed out of the truth. Whether he's seeing someone else or he's really into church camp he could have at least elaborated on what he said to you so you could understand it more. Don't wait around for him and get out there and date other guys!