PARTISAN
Source: 566, 567
partisan. Partisan, n. a partyman, head of a party, staff
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Par″ti‐san (pär″tĭ‐zan), n. [[F., fr. It. partigiano. See Party, and cf. Partisan a truncheon.]] [Written also partizan.] 1. 1. An adherent to a party or faction; esp., one who is strongly and passionately devoted to a party or an interest. “The violence of a partisan.” Macaulay.
Both sides had their partisans in the colony. Jefferson. 2. 2. (Mil.) (a) The commander of a body of detached light troops engaged in making forays and harassing an enemy. (b) Any member of such a corps.