follower

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that follows, especially.
• noun One who accepts the guidance, command, or leadership of another.
• noun One who has a strong interest or pays close attention to something.
• noun A machine element moved by another machine element.

from The Century Dictionary.

• noun In pile-driving, a wooden block placed on top of a pile that is to be driven deeper than the weight of the pile-driver can fall. By the use of such a block the pile can be driven even after its head is under water.
• noun A wheel which is driven by another wheel, either by a belt or by a tooth connection.
• noun The smaller element of a compound piston, which is bolted to the larger to complete the structure.
• noun One who follows another, in any sense of the verb follow.
• noun One who follows a master or teacher as a disciple or adherent: one who takes another as his guide in doctrines, opinion, or example, or an adherent of a particular doctrine or system.
• noun One who follows in practice the conduct, course, or example of another; one who conforms his conduct or course to that of some person or thing regarded as a model or pattern; an imitator: as, Terence was a follower of Menander.
• noun A man who “keeps company” with a young woman; especially, one who is in the habit of calling upon a maid-servant to pay his addresses; a beau.
• noun In machinery, any part of a machine moving in a limited range, as in guides, and following the motion of another part.
• noun In a steam-engine, the cover of a piston or of a stuffing-box.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who follows; a pursuer; an attendant; a disciple; a dependent associate; a retainer.
• noun colloq. A sweetheart; a beau.
• noun The removable flange, or cover, of a piston. See Illust. of Piston.
• noun A gland. See Illust. of Stuffing box.
• noun (Mach.) The part of a machine that receives motion from another part. See Driver.
• noun Among law stationers, a sheet of parchment or paper which is added to the first sheet of an indenture or other deed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun literally One who follows, comes after another.
• noun Something that comes after another thing.
• noun One who is a part of master's physical group, such as a servant or retainer.
• noun One who follows mentally, adherer to the opinions, ideas or teachings of another, a movement etc.
• noun An imitator, who follows another's example
• noun A pursuer.
• noun A machine part receiving motion from another
• noun A man courting a maidservant.
• noun Young cattle.
• noun A metal piece placed at the top of a candle to keep the wax melting evenly.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a person who accepts the leadership of another
• noun someone who travels behind or pursues another