blacklist - n. a list of people, organizations, etc., that are disapproved of or that are to be punished or avoided
clients - n. a person who pays a professional person or organization for services
disclose - v. to make something known to the public
discourage - v. to make someone less determined, hopeful, or confident
offshore - adj. located in a foreign country
transactions - n. business deal
tax haven - n. a country or independent area where taxes are levied at a low rate.
sanction - n. an action that is taken or an order that is given to force a country to obey international laws by limiting or stopping trade with that country, by not allowing economic aid for that country, etc.