1) Bachelor weekend attendee 2) Betrothed 3) Engaged man 4) French word used in English 5) Future benedict 6) Future bridegroom 7) Future groom 8) Intended 9) One choosing the aisle 10) Person headed for the altar 11) Ring bearer 12) Ring giver, usually 1) Beau 1) Youngman 
• (v. t.) To betroth; to affiance. • (n.) A betrothed man.
Fi'ance transitive verb [ French fiancer . See Affiance .] To betroth; to affiance. [ Obsolete] Harmar. Fi`an`cé' noun [ French] A betrothed man. 
[n] - a man who is engaged to be married
fiance, fiancé 1. A man to whom a woman is engaged to be married. 2. Etymology: from French, past participle of fiancer, 'to betroth'; from Old French fiancier, from fiancé, 'trust'; from fier, 'to trust'; from Latin fidere, 'to trust'.
The person to whom you are engaged. This can also refer to a man who is engaged to be married, which takes from the French version of this term. 
This is the title given to the groom after the engagement until the marriage. It means engaged to be married!
The title given to a person engaged to be married.
groom-to-be noun a man who is engaged to be married
This is the title given to someone that is engaged to be married; ‘fiance’ is usually used for a male and ‘fiancee’ is a female.