That individual who is habitually undecided is one

Related:

• A nudist is one who suffers from
  clothostrophobia...
• EGOTIST --
  a guy who suffers from I strain...
• The secret of managing is to keep the guys who hate you away from the guys who are undecided.
  Casey...
• The man who succeeds above his fellows is the one who early in life clearly discerns his object,
  and towards that object habitually directs his powers...
• The key to being a good manager is keeping the people who hate me away from those who are still undecided.
  Casey...
• Who alone has reason to *lie himself out* of actuality?
  He who *suffers* from it. -- Friedrich...
• flamer n. [common] One who habitually flames. Said esp.
  of obnoxious Usenet personalities...
• flamer: n. One who habitually {flame}s. Said esp. of obnoxious {USENET} personalities.
  The AI Hackers...
• Anyone who lives within his means suffers from a lack of imagination.
  Lionel...