charts is a form of:

Acrobat



noun
1.
(Tumbler, one skilled in gymnastic feats, skill of an acrobat) អ្នកថ្នឹកខាងកីឡាលោតហក់, កាយសិល្បៈករ, អ្នកលេងសៀក, អ្នកចូលចិត្ដធ្វើឲ្យគេស្ញែង
ENGLISH MEANING
noun
1.
One who practices rope dancing, high vaulting, or other daring gymnastic feats.