The phrase "in my proper person" denotes an individual speaking or acting in their true and genuine self. Some synonyms for this phrase include "in my true form," "in my authentic self," "as myself," "in my actual identity," and "as my genuine self." These synonyms emphasize the importance of being true to oneself and representing oneself accurately. The phrase "in my proper person" is often used in legal and formal contexts, but these synonyms can be utilized in a more informal setting to express the same concept. Ultimately, speaking or acting "in my proper person" is an essential aspect of authenticity and being true to oneself.