FOCUSER
focuser: translation
focus fo‧cus [ˈfəʊkəs ǁ ˈfoʊ-] noun [uncountable] MARKETING
when a company tries to serve particular groups of customers in a market with particular needs, rather than trying to serve the whole market
— focuser noun [countable] :
• The focuser seeks to achieve a competitive advantage in its target segments even though it does not possess a competitive advantage overall.