One unlucky ODST...
From what I know, ODST's tend to move in small groups (Or squads) However this fella is most likely regreting leaving his members. Also, from what I have been told ODST's do not like Spartans due to an incident that happend where a single Spartan killed a couple of ODST during a fight. Never the less it seems most ODST's like them, mostly likely unaware of the rumor.
Do bare in mind this was my first time drawing an ODST guy before and I'm sure there are a few mistakes in there somewhere, also Spartans are taller than ODST's.
Hope you like this!
Copyrights to Bungie, Microsoft