• (n.) One who holds a tack or lease from another; a tenant, or lessee.
Tacks'man noun ; plural Tacksmen (Scots Law) One who holds a tack or lease from another; a tenant, or lessee. Sir W. Scott. « The tacksmen , who formed what may be called the 'peerage' of the little community, must be the captains.» Macaulay. 
a tenant of the higher class.