Don’t be fooled, if they say it, pay attention!
‘Amen’ [Amein: Truth, Truly, etc..]
Strong’s Hebrew Lexicon:
Amen (Amein): אָמֵן ʼâmên, aw-mane’; from H539; sure; abstract, faithfulness; adverb, truly:—Amen, so be it, truth. https://www.blueletterbible.org/lexicon/h543/kjv/wlc/0-1/