Help me

[League-ELO-Push]

Hey i just had an encounter with a guy he paid me but instantly after i started the game he took bakc the money on paypal. I paid him the money back and didnt even start the game i just left. How can i make sure this does not happen anymore do i write anything in paypal or??

[Steve o.O ✔]

i think he Need to send it like Family and friends and he cant take it back but im not sure