First time playing soccer?

My family wants me to join a soccer team but I'm horrible at sports and I'm usually scared of the ball. I work out like 4 times a week and I guess I'm fit but I'm a very slow runner. I want to join too but I dont want to be embared. I dont want people from the team to hate me and not be my friend because I suck. Your team mates dont want a sucky player. What am I suppose to do?