Akademik

reliever
noun
1. a person who reduces the intensity (e.g., of fears) and calms and pacifies
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a reliever of anxiety

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an allayer of fears

Syn: ↑allayer, ↑comforter
Derivationally related forms: ↑comfort (for: ↑comforter), ↑allay (for: ↑allayer), ↑relieve
Hypernyms: ↑person, ↑individual, ↑someone, ↑somebody, ↑mortal, ↑soul
2. someone who takes the place of another (as when things get dangerous or difficult)
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the star had a stand-in for dangerous scenes

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we need extra employees for summer fill-ins

Syn: ↑stand-in, ↑substitute, ↑relief, ↑backup, ↑backup man, ↑fill-in
Derivationally related forms: ↑fill in (for: ↑fill-in), ↑relieve, ↑substitute (for: ↑substitute), ↑stand in (for: ↑stand-in)
Hypernyms: ↑peer, ↑equal, ↑match, ↑compeer
Hyponyms:
locum tenens, ↑locum, ↑double, ↑stunt man, ↑stunt woman, ↑surrogate, ↑alternate, ↑replacement
3. a pitcher who does not start the game
Syn: ↑relief pitcher, ↑fireman
Derivationally related forms: ↑relieve
Hypernyms: ↑pitcher, ↑hurler, ↑twirler
Hyponyms: ↑closer, ↑finisher

Useful english dictionary. 2012.