I'm currently using FB Lite, I don't know what he is using. He said he ask other player if someone knew me, luckily he found some.
Translation:
Me: Bro
Makarov_: What is it?
Me: The admin want to know how you found me.
Makarov_: Tell them I ask other player if they knew you. Luckily I found some and then I start chat you.
Me: Ah okay okay