The so-called "trust," in layman's terms, is that once the relationship is good, any secret will be shared with you.
That too is human nature.
Normally, in any Alternate Dimension, this method can be used to conquer Non-Player Characters and gain their trust.
But this Trial Space had specifically used Enlightenment to remind the Trialists.
From Leonard Churchill's perspective, it couldn't have been more obvious.
The Spatial Will intended to hint that by increasing trust, one could obtain the hidden plot known to the Non-Player Characters.
Therefore, once Leonard discovered this rule, he began to use various psychological techniques to carefully strategize.
"Finding the missing Hunter" was a C-level quest.
The normal approach would definitely be to complete the quest and receive a reward.
Not to mention what the tailor, Caroline, would offer, this quest-line would also count towards the clear rating.
Leonard chose not to ask for compensation.