this one will work by 1234redstone

/summon villager ~ ~1 ~ {VillagerData:{profession:weaponsmith,level:5,type:jungle},Invulnerable:1,PersistenceRequired:1,Silent:1,NoAI:1,CustomName:"\"trades\"",ActiveEffects:[{Id:22,Amplifier:0,Duration:999999}],Offers:{Recipes:[{buy:{id:obsidian,Count:1},buyB:{id:glowstone,Count:1},sell:{id:crying_obsidian,Count:1},maxUses:9999999}]}}