Does the spanish word su mean your in english?
si usted se encontrara una persona asi no dude en responderle su accion - I am having problems understanding this sentence
Su means his/hers but can also mean your in the usted form i.e. ¿Usted es la señora su esposa? Is the lady your wife sir?
I am having trouble with that sentence too! It is not the best Spanish. However I can tell you that su in this case is referring to his/her action