For subjects to become free, they must first remain alive.
As soon as individuals die, whatever freedom they might have enjoyed vanishes.

Individual liberty is a matter of degree.
No matter what any of us might do, none of us – well, almost, will ever escape gravity. We are all pulled towards the center of the Earth and this is how things should be. Otherwise… can you really imagine us drifting freely through the Universe and still being alive?
There are some constraints we might escape for a while. While gravity stays with us forever, we need to breathe only once every second or so. If needed, some of us can go without air for almost five minutes. Most of us can go without water for days and without food for a couple of weeks.
Without friends… is more complicated.
My real point being that individuals will start considering freedom, in earnest, only after reaching Maslow’s self-actualization stage. Until then we remain subjects. Subjected to our needs.

Liberty, as a function, is a social matter.
According to Berger and Luckmann, ‘reality’ is a social construct.
Going one step further, we realize that freedom – like money, is also a social construct.
Something we all contribute to. Help building it. Or tear it apart by negligence/carelessness.
Help building it by encouraging others to become free. As in helping them to lead a decent enough life. For freedom to happen, the society – as a whole, must remain functional enough for each of its members to have the opportunity to reach the self-actualization stage.

We must constantly remember that each time somebody puts our lives in danger that somebody attempts to hurt our freedom.
Every action which ultimately reduces the opportunities for each of us to reach the self-actualization stage – or to remain there, is hurting the liberty of our entire society.