No. Essays must be written about a college faculty member, staff member, or administrator, not a student who is employed by the college.
The teacher must be employed by the college when the essay is submitted. Therefore, the teacher could not have passed away prior to the essay being submitted.
Yes, as long as they are enrolled at a NISOD-member college at the time the essay is written and the faculty member they write about is currently employed at the community college at which the student is enrolled.
The college will receive the award.