Revelations has been difficult to interpret. Everyone comes up with their own interpretation.
Here is the King James version, of the translation into English from Chapter 6
4 And there went out another horse that was red: and _power_was given to him that sat thereon to take peace from the earth, and that they should kill one another: and there was given unto him a great sword.
And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him. And power was given unto them over the fourth part of the earth, to kill with sword, and with hunger, and with death, and with the beasts of the earth.
11 And white robes were given unto every one of them; and it was said unto them, that they should rest yet for a little season, until their fellowservants also and their brethren, that should be killed as they were, should be fulfilled.
15 And the kings of the earth, and the great men, and the rich men, and the chief captains, and the mighty men, and every bondman, and every free man, hid themselves in the dens and in the rocks of the mountains;
I will not go into the myriad of interpretations that you will find online. A word of caution too. People love catastrophe, cataclysmic events, horror and armageddon. Since, people are fascinated by these things – their mind will gravitate towards those things and believe in them. In general, people love that evil people will be punished and they hope that on judgement day, everyone else they dislike gets punished. So if you have that mentality, then my blog will not be to your liking.
To me, the bible with its small words tells a lot. Many things were written in their own code language. So, a yogi sees things putting those codes into play
The entire sequence, with the 6 seals – refer to the 6 lower chakras starting from Agna chakra and then going down, They are called seals because in your descent from God, once you go down, you cannot go back up without awakening of the Shakti. Hence the word seal
The fig tree leaf has three parts – referring to the three Gunas. In India, it is the bili patra.
All the rich men, chief captains, etc hid in the dens and rocks of the mountains – meaning the soul – after they fall are so immersed in the physical world, they are inert to the greatness of God. Who shall be able to stand? refers to without awakening, they cant stand up, but remain in stupor of Maya / Devil
Even this interpretation – wont be easy to accept – such is the numbing effect of Maya that even the intellect will doubt.
As to the four horsemen – The meaning should be obvious. Time can reveal it, if my blog did not give you the clear answer.