The term 'mole, e.g.' is used to refer to a person who works as a SPY or informant for an organization, often without the knowledge of their colleagues. The crossword solutions for this term are PEST (4 letters), PLANT (5 letters), INSIDER (7 letters), SPY (3 letters), ENEMYAGENT (10 letters), and SKINBLEMISH (11 letters). PEST refers to a destructive organism that can damage crops or other plants, while PLANT is a living organism that typically grows in soil and needs sunlight to survive. INSIDER is someone who has access to confidential information, while SPY is someone who secretly collects information about an enemy or rival. ENEMYAGENT is someone who works for an enemy or rival, and SKINBLEMISH is an imperfection on the skin.