Green’s Dictionary of Slang

trod v.

(UK black) to walk.

1999		(con. 1979–80) A. Wheatle Brixton Rock (2004) 34: He spied me trodding, and started shouting.
2016		A. Wheatle Crongton Knights 119: I had never really trod in these ends before.

In derivatives

trodder (n.)

(UK black) a pedestrian.

1999

(con. 1979–80) A. Wheatle Brixton Rock (2004) 183: A Cortina mark 2 sped past, with a black youth [...] sneering at the stepping Floyd. ‘Trodder!’.