Conversation so far:
where do warrant officers fall in the chain of command
Warrant officers are rated as officers above senior non-commissioned officers, candidates, cadets, and midshipmen but subordinate to the officer grade of O‑1.
what is the role of warrant officers
The warrant officer's primary task as a leader is to serve as a technical expert, providing valuable skills, guidance, and expertise to commanders and organizations in their particular field.

Question: what are the other tasks
Self-contained rewrite: what are the other tasks of warrant officers besides the primary task as a leader is to serve as a technical expert, providing valuable skills, guidance, and expertise to commanders and organizations in their particular field