chivalristn.

/ˈʃɪvəlrɪst/
/ˈtʃɪvəlrɪst/Etymology: < chivalry n. + -ist suffix.
rare.
1862 7 259 I wish the pseudo-chivalrists to learn what the Sir Launcelots and the Elaines actually were, and how they lived.
This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2021).