Those are also forgivable. Taking the mark won't be.
So Matthew says "Therefore I say to you,
any sin and blasphemy shall be forgiven men, but blasphemy against the Spirit shall not be forgiven. And whoever shall speak a word against the Son of Man, it shall be forgiven him; but whoever shall speak against the Holy Spirit, it shall not be forgiven him, either in this age, or in the age to come." Mark and Luke pretty much say the same.
Revelation says that only those who “worship the beast and its image
and receive its mark” will be condemned...it says “
and”...not ‘or.’ If a believer, out of an initial fear, goes along with the crowd by taking the mark, you think he or she is beyond forgiveness...?