A mercenary.
[ Though, admittedly, for some coin and a drink (or just a drink), Zhou Zishu could be potentially convinced to do a great many things as well. As long as he agrees with it, at least. ]
Other options:
no subject
A mercenary.
[ Though, admittedly, for some coin and a drink (or just a drink), Zhou Zishu could be potentially convinced to do a great many things as well. As long as he agrees with it, at least. ]