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

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Check below answers in case you are looking for other related questions:
The hadeeth, “Whoever observes i'tikaaf for one day…” and when a one-day i'tikaaf should begin
The reward for i’tikaaf

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Related Answers:
Ruling on touching a girl’s hand during Ramadaan
Is i’tikaaf in musallas and Islamic centres valid?
Is it permissible for one who is observing i‘tikaaf to leave the mosque in order to wake his family up for sahoor, then come back?
The hadeeth, “Whoever observes i'tikaaf for one day…” and when a one-day i'tikaaf should begin
The reward for i’tikaaf

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