1.first you kneel and put your fist out so the dog won't bite you
2.you talk to the dog and get it's attention make clcking sounds.
3.when it sniffs you and he growls then step back/but if it licks you you try to pet it.
4.then you get something to rap around its neck like a leash.
5.bring it to your house and see if there's anything wrong and the gender
warning:some dogs and cats have lice and diseases that can kill you so you should wear gloves