Portrait Year (help)

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Well My new aim for this year is portraits, that will also be my subject for the IGCSE examination. I'll have to interview another photographer and show how I manage to take the photos...
here there is some of the rules from the examination

SKIP THIS IF YOU ARE NOT INTERESTED ON THE EXAMINATIONS RULES
They should show an understanding of the convention of photography and genres such as portrait, landscape and movement and a range of techniques appropriate to their chosen field.
Consideration of the following techniques should be given;
• depth of field, • film speed/shutter speed, • lighting/exposure, • tone and/or colour,
• viewpoint/composition, • framing, • editing, • transitions.

Candidates should also show skills in experimenting with media and processes such as:
• abstracting, • alternative print processes (liquid emulsions,
• illustrating, • documenting, • developing and printing of films,
• creation and manipulation of images with computers,
• image scanning and manipulation, • editing, perhaps using sound.
Photography may be used as a means of recording fragile, large or time-based work (e.g. work in perishable media, installations, mural work, performance) and the photographic record will be considered and assessed as part of the submission.
EXAMINATION RULES END HERE
Sooo i'm looking for some good portraits, and specially some good tutorials about them, specially about composition and light.

if you know any please let me know.

Portrait feature:




I would really appreciate some help
thank you very much