This entry can be applied to the character's own family where they build, act, or take steps to create security for their children (or children's children) or be used in the broader, altruistic sense of the character doing something that will safeguard others in some way for years to come.

Establishing and growing a family business
Creating a business empire that will provide for generations to come
Obtaining power or influence for one's family name (through a favorable marriage, by financially backing the right people, by creating a successful career in politics, through a prized skill or talent, etc.)
Inventing a vaccine for a widespread disease
Lobbying to have a natural area designated as a protected habitat, saving it from being destroyed by industry
Lobbying for stricter regulations to prevent abuse of a natural resource (pollution controls for air and water, for example)
Establishing a union to protect workers
Making it one's life work to tackle a big problem, such as cleaning up the oceans, rebuilding coral reefs so life may reform, inventing clean energy that is accessible by all, etc.
Establishing a crisis center for a specific need (disaster relief, a woman's shelter, etc.)
Building a free clinic, youth center, or other safe haven for people in need
Lobbying for change that will bring about equality and freedom for all
Joining the army to serve one's country
Performing a peacekeeping mission or being involved in a charitable operation (doctors without borders, Red Cross, UN peacekeeping missions, relief missions after a disaster, etc.)
Raising awareness (and funding) for a worthy cause
Obtaining important knowledge that can be applied to save others or reverse a terrible situation which will otherwise come to pass
Inventing new food-farming methods that will have less of an impact on the earth while relieving world hunger
Lobbying for research to define and fix a wide-impact problem (Colony Collapse Disorder in honeybees, for example)
Dedicating one's career to understanding a difficult problem and finding a way to circumvent or fix it (scientists researching climate change solutions, for example)
Facilitating peace treaties between groups of people, ending a war or opening up opportunities for people in both groups

There are five basic human needs that, when missing from a character's life, could motivate them to pursue this goal. The following needs are all possibilities, but only one of them should be the primary driver for any given character. For more information on the relationship between human needs and outer motivations, please see​ this ​Character Motivation tutorial.