I know Ukrainian very well and would like to help you translate this server
The Hive uses a third-party translation service for their translations and there is no way to help with translations outside of the current supported ones (Chinese (Simplified), Dutch, French, German, Italian, Japanese, Korean, Portuguese (Brazilian), Russian, Spanish and Spanish (Latin America).
The Hive might consider adding support for the Ukrainian language if the following criteria are met:
- the language is supported by the Minecraft: Bedrock Edition client
- there is sufficient demand for the language
As mentioned above, there is no way to help with new translations, however you can report translation issues / submit translation improvements in the #translation-bugs category. Make sure to read this post before doing so. 
For more information, visit the support page below.