rooter

• POS: Noun
• HYPHEN: root=er

CIDE DICTIONARY

rooter, n. 

•  One who, or that which, roots; one that tears up by the roots.  [1913 Webster]
•  One who roots, or applauds.  [Webster 1913 Suppl.]

THESAURUS

rooter

adherent, admirer, amateur, applauder, appreciator, booster, buff, claqueur, collector, commender, devotee, dilettante, encomiast, eulogist, eulogizer, extoller, fan, fancier, follower, groupie, idolater, idolizer, lauder, panegyrist, plugger, praiser, promoter, puffer, tout, touter, votary, worshiper