'Solicitor' is Latin for 'one who agitates thoroughly' — an 'agitator' in the service of the law.
A member of the legal profession qualified to deal with conveyancing, the drafting of wills, and other legal matters; in England and Wales, a lawyer who advises clients and instructs barristers.
From Middle French 'solliciteur' (one who entreats, an agent), from Latin 'sollicitāre' (to disturb, to agitate, to entreat), from 'sollicitus' (thoroughly disturbed, anxious), from 'sollus' (whole, entire) + 'citus,' past participle of 'ciēre' (to set in motion, to rouse). A solicitor is etymologically someone who 'stirs up the whole thing' — an agitator or entreater. The legal sense developed because early solicitors were agents who 'solicited' or pursued