Do nothing.. 1. Yes , contract can be legal bind even word but if there where not transaction involve.. might be ignore. 2.Even got contract,sometimes client

Do nothing.. 1. Yes , contract can be legal bind even word but if there where not transaction involve.. might be ignore. 2.Even got contract,sometimes client would delay and give lot of excuses. 3. All my freelance work i wanted to bind with contract and i have legit company to avoid many nonsense client. 4. Did i been harassed like you, Yes.much worst. I had to close my Facebook account.