An MP (Member of Parliament) is an elected representative in a parliamentary democracy (UK, Canada, Australia, India, etc.). Core functions:
Voice constituents' concerns in parliament; hold surgeries/advice sessions; assist with casework (visas, benefits, housing).
Debate, amend, vote on bills; serve on committees scrutinizing legislation line-by-line; introduce Private Members' Bills.
Question ministers (Question Time); sit on select committees investigating policy, spending, appointments; demand documents/testimony.
Shape party platform; contribute to manifestos; lead/participate in policy working groups.
Maintain local office; attend community events; advocate for local infrastructure/funding; communicate via newsletters/social media.
Vote with party (whip system); serve in shadow cabinet or backbench committees; campaign for party.
PM must command confidence of lower house. MPs elect party leader; coalition negotiations; vote of no confidence.
Parliamentary delegations (IPU, Commonwealth, NATO PA); election observation; diplomacy.
Subject to recall (some systems), ethics commissioners, media scrutiny, elections.
Exact powers vary by constitution (e.g., UK vs. India vs. Germany's Bundestag).