The 16-PF personality test by Raymond Cattell.

Gender: M * Age:	1-10 A: 1 B: 9 C: 5 E: 4 F: 3 G: 3 H: 2 I: 8 L: 3 M: 6 N: 7 Q: 2 Q1:3 Q2:7 Q3:7 Q4:4
BASIC INTERPRETATION: PRIMARY FACTORS (consistently manifested): Schizothymia: critical, emotionally dry, secretive, isolated, cold. High IQ: intelligent, teachable, intellectual. Anglophile: prone to self-analysis, serious, cautious, suppresses emotions. Low superego strength: generally accepted moral norms are not sufficiently internalized. Social shyness: shy, wary, timid, apprehensive. Femininity: sensitive, affected, romantic, gentle, intuitive. Trust: tolerant, agreeable, agrees with terms, understanding. Carefree: serene, good-natured, self-assured, cheerful. Conservatism: has established ideas and opinions, respectable. LATENT FACTORS (tending to manifest): Submission: not inclined to dominate, modest, yielding, obedient. Socially cunning: sophisticated, experienced, insightful, refined, artificial. Independence: resourceful, independent of the group, self-reliant, decisive. High self-esteem: precise, willful, acts according to plan, controlled. Low ergo-tension: phlegmatic, relaxed, satisfied. SECONDARY FACTORS (integrative properties): Low general anxiety. Calm, optimistic, cheerful. Introvert. Focused on one's inner world. Reserved.
ADDITIONAL INTERPRETATION: INTELLIGENCE: HIGH INTELLECTUAL POTENTIAL. CAPABLE OF CREATIVE WORK EMOTIONS: AVERAGE LEVEL OF STRESS RESISTANCE. EMOTIONAL BREAKDOWNS ARE POSSIBLE WILL: LOW WILLPOWER. ACTS IMPULSIVELY, 'ACCORDING TO MOOD' MORALITY: MORAL NORMS ARE EITHER NOT INTERNALIZED, OR ARE STRICTLY PERSONAL OR CORPORATE LEADERSHIP: NOT INCLINED TO LEADERSHIP. SUBORDINATE COMMUNICATION: POORLY COMMUNICATIVE. COMMUNICATION IS STRICTLY SELECTIVE WORK STYLE AND PROFESSIONAL PREDISPOSITIONS: PRONE TO WORK THAT DOES NOT REQUIRE HIGH PERSONAL RESPONSIBILITY MOTIVATION: WEAKLY MOTIVATED. MODEST LEVEL OF AMBITION
CLINICAL INTERPRETATION: PSYCHOPATHIZATION ACCORDING TO THE "SC" TYPE! HIGH PROBABILITY OF "SC" DISORDERS!
Gender profiles of the Cattell 16-PF+ questionnaire Test yourself

Didn't they provide definitions for the letters?
He answered negatively to questions about working with people and other nonsense, hence this "not inclined to leadership." He just doesn't like to be responsible for others and carry them on his shoulders