It won't be as hard for a Georgian speaker as it is for an English speaker learning a first foreign language.
English speaker needs 2200 hours of study to reach competency (not fluency) in Japanese and 1100 hours in Georgian (Japanese is in level V, the hardest category, and Georgian, level IV, the next hardest, on the American Foreign Services Institute Difficulty Ranking List).
Although Japanese and Georgian are in two different families (and English in a third one), they both have agglutinative morphology and a mixture of agglutinative and inflectional grammar. Word order is often similar, but not identical.
Both are pro-drop languages (with respect to pronouns).
The Japanese writing system is very complex and involves three different scripts, totaling 2200 symbols for daily literacy. Two scripts are syllabaries (symbols represent mora, the Japanese idea of a syllable), and the third is logographic (a subset of Chinese characters that represent meanings instead of pronunciations). None of them are a true alphabet, like the Georgian scripts or the English alphabet. Chinese characters have at least two different pronunciations in most cases (one for the native Japanese word, and one for the Sino-Japanese word, which evolved from the original Chinese word when the character was borrowed, often 1000 years ago or more). All three scripts form one writing system. Even a simple sentence can require all three, like: I am American.
A Georgian speaker will find more concepts in Japanese that are familiar than he/she would in English.
The writing system will be just as challenging for a Georgian speaker as it is for an English speaker. The grammar will be challenging, but less so than for a Georgian speaker. More things will make sense to you than they do to a monolingual English speaker.
However, the two languages are very different in the details.