Svadharma means one's own duty or one's own way: the path that fits our nature, abilities and circumstances. It sits at the center of many practical questions. Should I follow what is expected or what suits me? Should I copy someone successful or build my own way? The Gita answers firmly that a path fitted to one's own nature, even imperfectly followed, is better than another's done well.
Gita 3.35 says each person has a path suited to their own nature, and following it sincerely, even with flaws, is better than imitating someone else's, so choose a career and way of life that fits your nature and values. Gita 18.47 repeats it, adding that doing work suited to one's nature avoids sin, so do not abandon your path out of envy or comparison. Gita 18.41 says duties are assigned in line with qualities born of one's nature, so look for work that fits your natural strengths and temperament.
The Gita also speaks about steadiness and honesty. Gita 2.31 asks us to remember our own duty and not waver when it is righteous, so identify your responsibilities and rise to them instead of avoiding them when they become demanding. Gita 18.59 says that a decision made from ego to avoid one's rightful duty cannot last, since one's own nature will compel one to act, so be honest about whether a decision to avoid a duty comes from clear thinking or from ego.