Green’s Dictionary of Slang

andrew n.1

[? SE merry-Andrew, a buffoon, an entertainer]

a servant, a lazy fellow.

[UK]Congreve Way of the World V i : I am brought to fine uses, to become a botcher of secondhand marriages between Abigails and Andrews!
[UK]N. Ward ‘A Step to Stir-Bitch-Fair’ in Writings (1704) 270: [He] gives the Scholars as Merry an Entertainment as a Mountebank and his Andrew.