bolsterer

/ˈboʊlstərər/
noun
  1. A person or thing that supports, strengthens, or reinforces something.
    • The new policy served as a bolsterer for the local economy.
    • He was a constant bolsterer of his friend's confidence during tough times.
    • The charity acted as a bolsterer for struggling families in the community.
What does "bolsterer" mean? | whatsthatwordmean | whatsthatwordmean