is your project objective a might do or a must do? a hobby or a passionate pursuit?
is that how you are known? are you branded to your cause?
"Absolute identity with one's cause is the first and great condition of successful leadership." -Woodrow Wilson
A person or thing that gives rise to an action, phenomenon, or condition.
Make (something) happen: "this disease can cause blindness".
reason - occasion - motive - ground - case - matter
bring about - make - occasion - produce - induce