Can the one who is observing i’tikaaf give lessons and halaqahs?

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The guidance of the Prophet (peace and blessings of Allaah be upon him) regarding i’tikaaf
He does not pray in the Prophet’s Mosque so that he can pray behind an imam who he thinks helps him to have better khushoo‘ (focus) in his prayer

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Conditions of I’tikaaf
Should he observe i’tikaaf during the last ten days of Ramadaan by himself and not go back to his family and worship with them?
When should a person who is observing i’tikaaf during the last ten days of Ramadaan enter i’tikaaf and exit from it?
The guidance of the Prophet (peace and blessings of Allaah be upon him) regarding i’tikaaf
He does not pray in the Prophet’s Mosque so that he can pray behind an imam who he thinks helps him to have better khushoo‘ (focus) in his prayer

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