a stranger or person,
somebody
Murder is another word.
Another word for kidnapping and forcing someone to do something is "abduction."
Defense man Another word for defendent is someone who is defend their self from the plantiff. Another word for defendent is someone who is defend their self from the plantiff.
The word for someone who governs is a governor. Another word for someone who governs would be president or mayor.
The word that means someone arriving from another country is "immigrant."
Another word for said is stated.
A word meaning to work closely with someone is collaborate.
Another word for someone being stuck up is 'snob.'
A boss
benefactor
be worry about
One possibility is the word bystander.