behind
In the presence of.
In front of, according to a formal system of ordering items.
In store for, in the future of (someone).
At a higher or greater position than, in a ranking.
Under consideration, judgment, authority of (someone).
In front of in space.
Earlier than (in time).
At an earlier time.
In advance.
At the front end.
Rather or sooner than.
In advance of the time when.