He answered that in one of his previous posts. He said he is a contributor.

It's too vague of an answer in my opinion and can mean many different things. Are you part of their development or engineering team? Are you someone who inspects their code for other reasons and contributes to code changes? Or are you someone that "contributes" to better the image of Wasabi and zkSNACKs on Bitcointalk? Maybe you are the mysterious co-host or part of their crew.