One engaged in a commercial pursuit. A commercial pursuit is one in which the thing pursued is a dollar.
Ambrose BierceGEOGRAPHER, n. A chap who can tell you offhand the difference between the outside of the world and the inside.
Ambrose BierceDISCRIMINATE, v.i. To note the particulars in which one person or thing is, if possible, more objectionable than another.
Ambrose Bierce