"He should study with a partner to ensure lasting learning and avoid isolation. Additionally, finding ways for him to engage in activities with younger students, where he can serve as a living example, would be beneficial. https://www.torahrecordings.com/rebbe/igroskodesh/012/006/4152b

The Rebbe gives references in the matter of mentioning Hashem's name. https://www.torahrecordings.com/rebbe/igroskodesh/012/006/4152