3 Verbs to Use for the Word exploiters

Republics are wretched managers of colonies, and monarchies brutal exploiters of subject peoples.

Explain the necessity of restricting immigration to (a) prospective immigrants, (b) immigrants just granted admission to the country, (c) persons just refused admission, (d) exploiters of cheap labor, (e) ordinary citizens.

The law itself in this country has been used to serve the foreign exploiter.

3 Verbs to Use for the Word  exploiters