Meaning of reassurer in English:
reassurer
noun
1A person who or firm which insures another insurer.
2A person who or thing which reassures someone; a provider of encouragement or support.
Pronunciation
reassurer
/ˌriːəˈʃʊərə/ /ˌriːəˈʃɔːrə/ Origin
Late 18th century. From reassure + -er. Compare assurer.