[Should I work for this client?]

I got a buyer who has a Fiverr business tag. He wants frontend work and the duration is almost 6 days. But the client wants to create the order offer after finishing the work because he doesn't know how good I am to finish the work.

So, should I agree with him? Of course, I'm not gonna give the source code before the order.

Put some advice, Please.

[Buyer breaks Fiverr's terms and conditions.]

7 minutes ago, sadekmiah30 said:

 if you share with him contact info you will get warning from fiverr. you can work with him inside fiverr without block him.

I just told him, don't share.

[Buyer breaks Fiverr's terms and conditions.]

The buyer gives me his what's app information. I refuse him and told him Fiverr doesn't allow him to share personal information. 

Is it affect my account? what should I do? Before Fiverr block buyers but this time Fiverr doesn't take any steps.

[How to get Account information from client?]

I require the database account for development purposes. If it's gmail and a password. So, what should I do? how can i get the database information from client.