got scam while dealing acc

some admin from mlbb store request me to sell my acc i didn't want to sell so I said 3k ,my account was worth 2k but I almost spent 3.5k in my mlbb acc he agreed to 3k him being an store admin i should be the one giving acc before payment so I rebind his Gmail acc he told me not to login within 15 min I was waiting for him to rebind n send payment after he successfully rebind my acc he blocked me and didn't made payment his other admin also didn't reply me after tat