What you are saying here is true.
As a man, it's important to have an emergency funds that can save you in times of needs, but as a Nigerian, I can tell you for free that we are not used to that, what I know that we normally does is by saving our money and be hoping that our savings, can save us in times if emergencies.
Having an emergency funds while accumulating consistently is very important to the success of your Bitcoin investment, because without having them in place and emergency struck, your investment will be doomed, so emergency funds is very important for the survival of your Bitcoin investment, which is why it's important to put it down in place alongside your Bitcoin investment, just in case emergency comes up at that early stage of your investment.
That money we are saving with the hopes that it saves us during emergencies is our emergency fund, it's just that most Nigerians don't use the term 'emergency fund' to describe it, they just call it their savings and that's also because it's not just our emergency fund but the entirety of our backup funds as well without individual distinctions, it will function as the emergency fund in the case of an emergency and will also function as our reserve fund when we decide to do something else with it.
It's better that we are now distinguishing between them so that we don't end up using our emergency fund to pay for a vacation or get ourselves a new phone/car, proper allocation of funds is the better way to go about things so that we don't end up not having our emergency fund ready when an emergency actually happens.