And Jesus answered and said to her, “Martha, Martha, you are worried and troubled about many things. But one thing is needed, and Mary has chosen that good part, which will not be taken away from her.” – Luke 10:41-42
Fulfilment is achieved only by fitting into the slot where you belong. That is another way of saying filling the hole you are cut out for, or that is customised for you to occupy in the socio-economic scheme of things of your environment. A better way of putting it is saying that you meet the pressing needs of people and corporate concerns around you.
Although your doing that may not be financially rewarding at the beginning, the gains and other gratifications that come from doing what you are cut out for would certainly come with time, that is in addition to the fulfilment you derive from doing what really matters and making a difference.
Then, the more you sharpen (develop) yourself to enable you fit into your niche more perfectly, the better and the more valuable you become such that you not only develop in your niche, but you are further empowered to offer greater value to more people at a higher level nationally or globally. This comes when you are patient, diligent, industrious, and you look at the big picture.
You find peace and fulfilment by filling your own hole in your vocation, career, business, marriage, ministry and so on.
You will succeed in Jesus' Name!