antithesis/ contrariness/ disagreement/ enmity/ hostility/ inimicality/ opposition/ reversal/ syzygy
combat/ confront/ contravene/ impugn/ oppose/ repugn/ resist/ thwart
emissary/ informer/ informant/ informer/ nark/ snitch/ spy/ tout
agent/ assignee/ attorney/ mandatary/ representative/ solicitor
abridged/ brief/ concise/ curtailed/ laconic/ short/ summarised/ terse
abbreviate/ abridge/ curtail/ epitomise/ shorten/ summarise
cordial/ guileless/ hearty/ ingenuous/ loveable/ sincere/ true/ unaffected/ unfeigned/ unreserved
access/ admission/ incursion/ interception/ intercurrence/ interference/ intervention/ intrusion/ invasion