Both Uses of

advocate
in
Oliver Twist

This allusion to Nancy's doubtful character, raised a vast quantity of chaste wrath in the bosoms of four housemaids, who remarked, with great fervour, that the creature was a disgrace to her sex; and strongly advocated her being thrown, ruthlessly, into the kennel.
Chpt 39 *

advocated = recommended

'I have not the inclination to parley,' said Mr. Brownlow, 'and, as I advocate the dearest interests of others, I have not the right.'
Chpt 49 *

advocate = act as an English lawyer for

Definitions:

(1) (advocate as in: to advocate)
to recommend or publicly support (someone or something)
(2) (advocate as in: an advocate supporting)
a person who publicly supports and works to advance a cause

or more rarely:

someone acting in the role of a defense lawyer in England's past and in some jurisdictions today
(3) (advocate as in: an advocate in court)
a lawyer or officer of the court in some jurisdictions in Europe, colonial America, and the military
(4) (devil's advocate as in: I'll play the devil's advocate)
a person who takes an unpopular position to encourage debate or test ideas