@Beregorn oh yea they could have used "boss" for the village chief and it totally make sense in English. But using "chief" for a monster sounds stupid.
@greyhud90 I have to agree that calling them boss in this would be unnatural sounding, considering the only reason any of us would even think to refer to them as bosses is game related. Almost anything would fit better than "boss" here given the lack of game elements in the story. I also don't remember anyone complaining in the earlier chapters when they were called stuff like the kobold king. Why is it only a problem now with "chief?"