Aramis is the most distant musketeer from the central figure - d’Artagnan. His character is pretty tangentially covered in the novel, which makes him a more discreet character, which is complicated to understand. The reader knows that Aramis has a particular interest in religion as well as in Madame de Chevreuse. In the correspondence that Aramis shares with the latter, he reveals to her important information to confront the enemy.
Aramis is inclined to some posturing, in the company of friends he liked to boast of both his poetic talent and the knowledge of Latin. Sometimes, he does not make a very serious impression, but he is courageous and brave. He is secretive and tricky. Researchers, contrast him to Porthos. His character combines the mystery, bravery, and romanticism. A perfect hero-lover.
Aramis in the Essays