All 6 Uses

solicitor
in
To Kill a Mockingbird
(Edited)

To reach the courtroom, on the second floor, one passed sundry sunless county cubbyholes: the tax assessor, the tax collector, the county clerk, the county solicitor, the circuit clerk, the judge of probate lived in cool dim hutches that smelled of decaying record books mingled with old damp cement and stale urine.
p. 185.3

solicitor = lawyer
The circuit solicitor and another man, Atticus and Tom Robinson sat at tables with their backs to us.
p. 187.2
There was a brown book and some yellow tablets on the solicitor's table; Atticus's was bare.
p. 187.3
He was sitting forward in the witness chair, his hands clasped between his knees, listening attentively to the circuit solicitor.
p. 189.4 *
The solicitor, a Mr. Gilmer, was not well known to us.
p. 189.4
Atticus sat down and nodded to the circuit solicitor, who shook his head at the judge, who nodded to Mr. Tate, who rose stiffly and stepped down from the witness stand.
p. 192.9

Definitions:

(1) (solicitor as in: the solicitor prepared for a trial)
a type of lawyer in some jurisdictions such as Great Britain
(2) (solicitor as in: a door-to-door solicitor)
someone who sells things or asks for donations or help
(3) (meaning too rare to warrant focus)