The term 'CAMPAIGN PRO' is composed of two words, 'CAMPAIGN' and 'PRO'. The first word, 'CAMPAIGN', refers to a series of activities undertaken to achieve a particular goal. The second word, 'PRO', is short for professional, meaning someone who is highly skilled in their field. Therefore, a CAMPAIGN PRO is someone who is highly skilled in the planning and execution of campaigns. The crossword solutions for this term are POL (3 letters) and ADREP (5 letters). POL stands for Political Organizer, which is someone who works to organize political campaigns and rallies. ADREP stands for Advertising Representative, which is someone who works to promote products or services through advertising campaigns.