داهنَ يداهن، مُداهنةً ودِهانًا، فهو مُداهِن، والمفعول مُداهَن

خدَعه وغَشّه، صانعه وأظهر له خلاف ما يضمر، تملّقه، نافقه

🇬🇧 Translation:

Deceived and cheated him, flattered him and showed him the opposite of what he concealed, bootlicked, acted hypocritically towards him.