2
                           general:: 
                              noun works in an agency  ADJ.  advertising, election, estate, insurance, land, letting, literary, managing, parliamentary, patent, press, publicity, travel | local The company has developed sales through local agents in key markets. VERB + AGENT  employ, have, use I have an agent who deals with all my contracts. | appoint, engage, get (sb), hire If you want to get published, get yourself an agent! | act as | sack PREP.  through an ~ She got the work through an agent. | ~ for an agent for a shipping companyJOB spy  ADJ.  intelligence | enemy, foreign | federal, government | secret, undercover | double As a double agent, he worked for the Americans and the Russians. VERB + AGENT  work as person/thing that has an effect  ADJ.  chief, main, primary, prime, principal | effective | human | moral, rational | free I told him I couldn't stop him, he was a free agent. PREP.  ~ for The charity is an agent for social change. PHRASES  an agent for/of change
                        
                        
 
                        
                            Oxford Collocations Dictionary