Do you realize your chats are wrong way around?
In these messages, you are the one giving him that account and he's asking questions about obviously directly joining a campaign, what you recommended him to avoid (waiting at least 50-70 posts, LOL)
Not suspicious at all, dude.

Can your indonesian brother come here on Bitcointalk and write an indonesian post?

I asked a question,, and he replied do you have any idea how WhatsApp works,,, why you hating me and not seeing all the chats and date,,, please check again and help me.
By the way, just in case you were curious, the messages you sent are on the right side of the screen, and the double tick mark below them means they have been delivered and/or seen. But I'm sure you already knew that, right? Well, congratulations! You've just added another nail to your own coffin.