The meaning of dad's existence is not unique, nor is it limited to family roles.
Philosophically, the meaning of life is diverse and complex.
The role of a father can vary in different cultures and personal values.
In some traditions, the father may be seen as the provider, protector and authority symbol of the family.
However, with the increasing emphasis on the importance of individual self-actualization, the role of the father has been given more dimensions, such as as partner, friend, educator, and emotional supporter.
From a broader philosophical perspective, the meaning of any individual's existence is not monolithic.
The meaning of life may be in many aspects such as personal pursuits, interpersonal relationships, work achievements, creative activities, and spiritual exploration.
Fatherhood is only one part of an individual's identity, and there are many ways in which each person can define and realize their own worth and meaning.
Therefore, the meaning of the father's existence should not be reduced or confined to any single role or purpose.
Rather, it should be multidimensional and evolve over time, environment, and personal growth.