My Irish is a bit rusty but I believe you could say, "fáilte ó chroí dlúthchara", although I could be a bit off, my conjugation might be off though.
To say "welcome friend" in Lakota, you would say "Wóphila, kštó" which translates to "Welcome, friend."
Tu es bienvenu mon ami
In Balinese, you can say "Suksma rauh, rarisang raga" to mean "Welcome home, my friend." The phrase conveys warmth and hospitality, reflecting the Balinese culture. If you want to be more informal, you could simply say "Rauh, rarisang!" which still captures the friendly essence of the welcome.
Kaya koorda. Wandju, wandju, nidja Noongar Boodja. 'Hello friend. Welcome to our country.'
You can say 'hallo' what means 'hello' or if you're welcoming a friend/child you can say 'hoi' what means 'hi'.
Kia-Ora ehoa is Hello friendKia-Ora ehoa haere mi is Hello Friend, Welcome
you say welcome aboard I don't know why but that seems to be the case
you're welcome my friend
How do you say you’re welcome in Apache
you are welcome
To say "welcome" in Tlingit, you can say "Yak'éi."
In Berber, you can say "Tanmirt" to say "you are welcome."