Welcome to the forum mechupa!
It was hard for me to understand because I haven't learned Portuguese. I used Google to translate your post.
Hello. I have received the news that our server will go through a merger with another, in case 138. Talking with the players of the server we have reached the consensus that it is not fair to happen because the server 138 has games that are Playing much longer and consequently are at many higher levels. We would like a position on this, I affirm that in our opinion this is not fair. Many have said they will stop playing if nothing is done. I'm waiting, and thank you.
Server merges happed due to one specific reason. The activity on both servers is below the threshold Lilith has set to be considered for server merges. There's always the case that an older server gets merged with a newer one. I can tell from my own experience that it's not as bad as you might think. My server contains all server from 11 to 18 now, we've received 3 merges already.
I can also ensure that it might be chaotic at the beginning, but very invigorating for the whole server. Guilds will fuse, new guilds will rise, more competition in both arenas will be there. Try to convince those players who said they will stop to stay active instead. If you're part of a smaller guild, try to fuse with another one to grow.