Verb (5-dan, う, intransitive)
1.  to obey (an order, law, etc.);  to abide by (a rule, custom, etc.);  to follow;  to observe;  to conform to;  to yield to
2.  to follow (a person);  to accompany;  to go with
3.  to go alongside (e.g. a river);  to follow (e.g. a sign)
4.  to serve (as);  to engage in (work)