As an individual, for you to make people to respect you and like you, then you must be better tan they are, you must have something that they don't have. This being said self development in this context involves the balanced process of adding more worth and value to one's sef. As an individual it is wrong to just develop yourself in one area and leave the other area out, doing this would simply lead to deficiency. Even God understood the concept of balancing that is why during creation he didn't just create man alone with one leg and eye, rather He created man's counterpart and all of the body parts where balanced.
So if you decides to develop yourself in the area of skills acquisition, also develop yourself on how to properly channel and use this skill to make more money to take care of yourself and your loved ones. Self development in one area alone is more like doing nothing
How you present or respect yourself can influence how people treat you. People will choose either to respect or disrespect you, based on how you constitute yourself. if you respect yourself, people will respect you.
As an individual your personality is shaped by your self respect, self esteem, and self development. You must work very hard, because your hard work, sacrifice and dedication to developing your knowledge, experience, and skills can contribute a lot to your self determination, which will lead to your success and people perceive you as a responsible person.