reliever

Noun

 * 1)  Something which s (pain, etc.).
 *  is an upset-stomach reliever.
 * 1)  A relief pitcher.
 * The first reliever got the last two outs of the sixth.
 * 1) Someone who fills in for another.
 * I'll be the reliever today so that you can each take a break.
 * 1)  A garment kept for being lent out.