Choose the correct subject pronoun to use in the following situation from the options below.
you're talking to a man on the street whom you stopped to get directions from.
nosotros
tú
vosotras
ella
usted
él

Since you are in a situation where you're talking to a man on the street whom you stopped to get directions from and this is the first time you meet this man, then you need to address this man in a formal way. To do this, you must use the subject pronoun that matches the second person singular in formal way, which is usted (also called the formal you).