(of a person, action, or motive) lacking consideration for other people; concerned chiefly with one's own personal profit or pleasure. (egocentrical/ self-centred)
selfish
not based on or conforming to what is generally done or believed. (unusual)
unconventional
This is a person who is naturally neat, punctual and detailed. Their habits and behaviors in life and at work are ordered, planned and efficient.
organised
not fully developed or having or showing an emotional or intellectual development appropriate to someone younger (childish)
immature
willing to talk and engage in activities with other people; friendly. These people are friendly and enjoy talking to other people.
Sociable
having an obligation to do something, or having control over or care for someone, as part of one's job or role. (accountable)
responsable
friendly and socially confident. a person who actively participates in socializing and seeks out opportunities to socialize. A close synonym is extroverted
outgoing
done or chosen in accordance with wisdom or prudence; likely to be of benefit. (reasonalbe)
sensible
(of a person or their behaviour) unconventional and slightly strange. (uncommon)
eccentric
relating to or involving the use of the imagination or original ideas
creative
Having or showing a strong desire and determination to succeed.
ambitious
is always ready to disagree or start arguing with other people. [disapproval]
argumentative
you respect yourself because you're willing to stand up for your interests and express your thoughts and feelings. It also demonstrates that you're aware of others' rights and willing to work on resolving conflicts.
assertive
acting or speaking sincerely and in earnest, rather than in a joking or half-hearted manner. (sincere)
serious
This person is determined to do what he or she wants and refuses to do anything else. (obstinate)
stuborn
devoted to a task or purpose. (committed)
dedicated